Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Wed Jan 22 21:43:35 EST 2014
Host Name: batevent1
Current Working Dir: /local/data/batevent/batevent_reproc/trigger145675
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Trigger: 00145675 Segment: 000
BAT Trigger Time: 142921742.016 [s; MET]
Trigger Stop: 142921742.528 [s; MET]
UTC: 2005-07-13T04:29:02.396820 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 320.536539185524 Dec: 77.0721719432608 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 11.32
Image Trigger?: NO
Rate S/N Ratio: 31.2729915422238 [ if not an image trigger ]
Image S/N Ratio: 11.32
Analysis Position: [ source = BAT ]
RA: 320.536539185524 Dec: 77.0721719432608 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 320.56737432516 Dec: 77.0719723903794 [deg; J2000]
{ 21h 22m 16.2s , +77d 04' 19.1" }
+/- 1.06397059669473 [arcmin] (estimated 90% radius based on SNR)
+/- 0.345355816260137 [arcmin] (formal 1-sigma fit error)
SNR: 27.8386060603808
Angular difference between the analysis and refined position is 0.414089 arcmin
Partial Coding Fraction: 0.3046875 [ including projection effects ]
Duration
T90: 124.67199999094 +/- 62.407646704848
Measured from: -52.7439999878407
to: 71.9280000030994 [s; relative to TRIGTIME]
T50: 10.5600000023842 +/- 1.39778108223621
Measured from: 2.87200000882149
to: 13.4320000112057 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 1.06000000238419
to: 2.06000000238419 [s; relative to TRIGTIME]
Total Fluence
Measured from: -69.3840000033379
to: 121.33599999547 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 2.241787 2.883991 2.394183 0.690508
0.092815 0.097730 0.086758 0.075941 [error]
Peak 0.110138 0.210724 0.169536 0.074298
0.011133 0.012580 0.011785 0.009701 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
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====== Table of the duration information =============================
Value tstart tstop
T100 190.720 -69.384 121.336
T90 124.672 -52.744 71.928
T50 10.560 2.872 13.432
Peak 1.000 1.060 2.060
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.529 -0.072 0.072 - - - 2.85e-03 -1.09e-04 1.09e-04 54.870 57
CPL -1.405 -0.160 0.282 252.625 -252.625 -252.625 3.27e-03 -5.05e-04 1.15e-03 54.250 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.234 -0.120 0.121 - - - 3.82e-02 -2.59e-03 2.59e-03 66.730 57
CPL -1.176 -0.168 0.475 752.779 -752.779 -752.779 4.08e-02 -4.81e-03 2.75e-02 66.680 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 7.13e-07 1.29e-06 1.78e-06 5.15e-06 5.13e-06 8.93e-06 erg/cm2
90%_error_low -5.09e-08 -5.40e-08 -8.84e-08 -5.51e-07 -2.12e-07 -6.10e-07 erg/cm2
90%_error_hi 5.22e-08 5.38e-08 8.81e-08 5.96e-07 2.12e-07 6.46e-07 erg/cm2
Peak flux PL 1.22e+00 1.44e+00 1.22e+00 1.77e+00 4.51e+00 5.65e+00 ph/cm2/s
90%_error_low -1.57e-01 -1.14e-01 -9.80e-02 -2.85e-01 -3.14e-01 -4.02e-01 ph/cm2/s
90%_error_hi 1.63e-01 1.13e-01 9.72e-02 3.18e-01 3.14e-01 4.06e-01 ph/cm2/s
Fluence CPL 6.94e-07 1.30e-06 1.80e-06 4.29e-06 5.08e-06 8.08e-06 erg/cm2
90%_error_low -6.36e-08 -5.84e-08 -9.45e-08 -1.36e-06 -2.37e-07 -1.38e-06 erg/cm2
90%_error_hi 5.89e-08 6.05e-08 9.57e-08 1.41e-06 2.31e-07 1.08e-06 erg/cm2
Peak flux CPL 1.21e+00 1.45e+00 1.23e+00 1.83e+00 4.50e+00 5.53e+00 ph/cm2/s
90%_error_low -1.89e-01 -1.19e-01 -1.04e-01 -8.76e-01 -3.25e-01 -7.56e-01 ph/cm2/s
90%_error_hi 1.53e-01 1.28e-01 1.13e-01 1.30e-01 3.17e-01 4.95e-01 ph/cm2/s
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